Adding functions
Multiplying
Function fun
Function Identifier
Mixed
100
What is the sum of these two functions
f(x)=2x+3
g(x)=-x^2+5
-x^2+2+8
100
Given that f(x)=2x−3 and g(x)=x+1 multiply the two functions
2x^2-x-3
100
What do you use to see if something is a function?
A vertical line test
100
Is this a function
Yes
100
Store A is selling 7 pounds of bananas for $7.00. Store B is selling 3 pounds of bananas for $6.00. Which store has the better deal?
Store A because Store A is the cheapest.
200
Given that f(x)= x+1
g(x)= x^2−2x+5
Find (f+g)(x)
x2-x+6
200
•Find the product of
•F(g(−4) if f(x)=x+2
•g(x)=x−5
f(g)(-4)=18
200
What is the domain of (f/g)(x)?
F(x) = -3x2
G(x) = -4x + 6
All real numbers except 1.5
200
Find the range (y-values) of f (x) =−x + 4 for the domain {–3, –2, –1, 1}
7,6,5,3
200
Using elimination solve this system of equations
6x−5y=8
−12x+2y=0
x=−13, y=−2
300
What is (f+g)(x)?
f(x)=–4x+4
g(x)=5x
x+4
300
c(y)=3y−4
d(y)=3−2y
Multiply the two functions
-6y^2+17y-12
300
What is the domain of (f/g)(x)?
F(x) = -2x2
G(x) = -3x + 6
All real numbers except 2
300
Model the function rule y = 3x + 5 with a table of values starting from -2 to 2
(-2,-1),(-1,2),(0,5),(1,8),(2,11)
300
Add 5 + 6i and 7 − 3i
12 + 3i
400
What is the sum of the functions
f(x)=x+2/3x
g(x)=x-3/24x
9x+13/24x
400
What is (f x g)(43)?
F(x) = -4x+2
G(x) = -2x^2
14794
400
•Perform the indicated function evaluations for f(x)=3−5x−2x2
•f(x)=3−5x−2x2
•A) F(4)
•B) F(0)
A= -49, B= 3
400
What function is f(x)=150
400
subtract 2 + 3i from 4 + 7i
2 + 4i
500
What is the sum of these two functions
f(x)= 20x^3+12x^2-56x+9
G(x)=21x^4+45x^2+865-6x
21x^4+20x^3+57x^2-62x+874
500
What is the product of f(x)=2x+5 and (-5x^2-5)^2
50x^5+125x^4+100x^3+250x^2+50x+125
500
What is the domain of (f/g)(x)?
F(X)= -3X+6 and g(x)= 3x2
All real numbers except 0
500
What function is f(x)=5x^3-2x^2+10x-50
500
Using substitution solve this system of equations
7x−8y=−12−4x+2y=3
x=0, y=32.